.common-presentation {
    display: flex;
    flex-direction: column;
    background-color: #f7f8fa;
    padding: 20px 40px;

    .common-presentation-subtitle {
        font-size: 18px;
        font-weight: bold;
        color: #333;
    }

    .common-presentation-describe {
        font-size: 14px;
        color: #999;
        margin-top: 10px;
    }
}